Online insurance II In Exercise 11, we saw summary statistics for 10 drivers car

Chapter 24, Problem 13

(choose chapter or problem)

Online insurance II In Exercise 11, we saw summary statistics for 10 drivers car insurance premiums quoted by a local agent and an online company. Here are displays for each companys quotes and for the difference (Local Online): a) Which of the summaries would help you decide whether the online company offers cheaper insurance? Why? b) The standard deviation of PriceDiff is quite a bit smaller than the standard deviation of prices quoted by either the local or online companies. Discuss why. c) Using the information you have, discuss the assumptions and conditions for inference with these data.

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